Swing seating platform



FIG. 1 is a left front perspective view of a swing seating platform showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line showing of hanging bars is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a swing seating platform, as shown. 